perhaps this way:
project = db.project(request.args(0,cast=int))
step = db.project_step(request.args(1,cast=int))
if not project:
url = URL('default', 'index')
elif auth.user_id != project.created_by or not step:
url = URL('project', 'show', args=request.args(0)
else:
url = None
tender_form = SQLFORM(db.tender)
if url:
session.flash = T('Something went wrong.')
redirect(url)
On Tuesday, 24 September 2013 04:04:44 UTC-5, Andreas Wienes wrote:
>
> Hey guys,
>
> in my current project I need to perform some checks before showing a form
> to the user. I'm not sure if I've done this in the best possible way. It
> looks a bit complicated to me.
>
> project = db.project(request.args(0))
> step = db.project_step(request.args(1))
>
> # Is the project existing?
> if project:
> # Is the current logged in user the owner of the project?
> if auth.user_id == project.created_by:
> # Is the step, we want to work with, existing?
> if step:
> tender_form = SQLFORM(db.tender)
> else:
> session.flash = T('Something went wrong.')
> redirect(URL('project', 'show', args=request.args(0)))
> else:
> session.flash = T('Something went wrong.')
> redirect(URL('project', 'show', args=request.args(0)))
> else:
> session.flash = T('Something went wrong.')
> redirect(URL('default', 'index'))
>
>
> I got three IFs what doesn't look elegant for me. Is it possible to
> combine the IF project and IF step statements?
>
> Thanks for your help
> Andreas
>
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